/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.test.cfg;

import org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiOptimisticLockingException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandConfig;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.interceptor.CommandInvoker;
import org.activiti.engine.impl.interceptor.RetryInterceptor;

import junit.framework.TestCase;

/**
 * 
 * @author Daniel Meyer
 */
public class RetryInterceptorTest extends TestCase {

    protected class CommandThrowingOptimisticLockingException implements Command<Void> {
        public Void execute(CommandContext commandContext) {
            throw new ActivitiOptimisticLockingException("");
        }
    }

    public void testRetryInterceptor() {
        RetryInterceptor retryInterceptor = new RetryInterceptor();
        retryInterceptor.setNext(new CommandInvoker());
        try {
            retryInterceptor.execute(new CommandConfig(), new CommandThrowingOptimisticLockingException());
            fail("ActivitiException expected.");
        } catch (ActivitiException e) {
            assertTrue(e.getMessage().contains(retryInterceptor.getNumOfRetries() + " retries failed"));
        }
    }
}
